英汉词典

1. 巨大的;广大的;广阔的
    Something that is vast is extremely large.

    e.g. ...Afrikaner farmers who own vast stretches of land...
           拥有广袤土地的南非白人农场主
    e.g. The vast majority of the eggs would be cracked.
           绝大部分鸡蛋都会被打碎。